Visual studio random number guessing game C#. Please help!

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C#

Please help!

I have to create a simple random number guessing game in visual studio. It takes the input from the textbox and compares to a random number between 1 and 10, counts the number of guesses and then provides output accordingly in a label. When I test the code I have I get no output like the loop is running continuously or something.

I know this is simple stuff for you guys but I am very new to coding and have to worst possible instructor ever so any help would be greatly appreciated! Thank you.

What I have tried:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class NumberGame : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void btnCalculate_Click(object sender, EventArgs e)
    {
        
        Random rand = new Random();
        int winNumber = rand.Next(1, 11);
        int guess;
        int numOfGuess = 0;
        bool winner = false;



        while (winner == false)
        {

            guess = Convert.ToInt32(txtGuess.Text);
            

            if (guess > winNumber)
            {
                numOfGuess++;
                lblResult.Text = "Guess is too high, try again. ";
                lblGuess.Text = "The number of guesses is " + numOfGuess;
            }
            else if (guess < winNumber)
            {
                numOfGuess++;
                lblResult.Text = "Guess is too low, try again. ";
                lblGuess.Text = "The number of guesses is " + numOfGuess;
            }
            else if (guess == winNumber)
            {
                numOfGuess++;
                lblResult.Text = "You win! Good job. ";
                lblGuess.Text = "The number of guesses is " + numOfGuess;
                winner = true;
            }

        }
      

    }
}